stainless steel flange fitting manufacturer

ISO Certified | Custom SS Flanges | OEM Supplier | International Exporter

Stainless Steel Flange Manufacturer in India

India’s Trusted SS Flange Manufacturer

Cera Pure Steel is a leading Stainless Steel Flange Manufacturer in India, delivering top-quality SS flanges to industries across the country and around the world. Since our establishment, we have grown into one of the most reliable industrial SS flange manufacturers in India — trusted by clients in oil & gas, petrochemical, power generation, dairy, and shipbuilding sectors.

As an ISO-certified company, we manufacture every flange to meet international quality standards. Whether you need standard sizes or custom steel flange fabrication, we offer flexible solutions to meet your exact project requirements. Cera Pure Steel is also a recognized pipe flange exporter in India, supplying SS flanges to clients in the Middle East, Europe, the USA, Africa, and Southeast Asia.

Looking for an affordable SS flange manufacturer in Gujarat or Mumbai? Cera Pure Steel has you covered with competitive pricing and fast delivery — without compromising on quality.

SS Flange Manufacturers | 304 Stainless Steel Plate Flange Dealers | SS Weldneck Flange Supplier | SS Flanges Price | Stainless Steel Flange Manufacturer in India

Cera Pure Steel is a major Stainless Steel Flange Manufacturer and Supplier in India. Our Stainless Steel Flanges are approved for their top-notch quality, toughness, and long-term safety. Cera Pure Steel is well-known 304 Stainless Steel Plate Flange Dealers and trusted SS Weldneck Flange Suppliers across the country. Our Stainless Pipe Flange range is widely used in Oil & Gas, Petrochemical, Sugar Mill, Shipbuilding, and Dairy & Food Processing industries.

Our SS 304 Pipe Flange has excellent strength and corrosion-resistant properties. The Stainless Steel Plate Flange we supply is available at a reasonable and competitive SS Flanges Price. Cera Pure Steel actively maintains large stocks of SS Flanges — including Slip On, Blind, Weld Neck, and Plate Flanges — to ensure our customers always have timely access to high-quality products. By using Stainless Steel Large Diameter Flanges, we also help reduce the overall need for pipe welding in large piping systems — saving time and cost on your project.

Sizes

1/4″ NB to 24″ NB Seamless 1/4″ NB to 48″ NB Welded

Thickness

SCH 5 to SCH XXS

Specifications

ASTM A312, A249, A269, A270

Why Choose Us as Your SS Flange Supplier in India?

Here is what sets us apart from other flange suppliers in India:

ISO 9001:2008 Certified — quality you can trust
Wide range of grades: SS 304, 304L, 316, 316L, 310, 317, 321, 347 and more
Sizes from 1″ (12 NB) to 48″ (1000 NB) — all pressure classes available
OEM stainless flange manufacturing available for bulk and custom orders
High-pressure flange manufacturing up to Class 2500
Fast delivery across India and international exports
Export-worthy packaging — wooden boxes, pallets, crates
Competitive prices for industrial SS flanges with no compromise on quality
Flanged fitting manufacturer for diverse industrial applications
International certifications accepted for global projects

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Global Export Network

As a trusted pipe flange exporter in India, Cera Pure Steel ships to clients in more than 30 countries. Our OEM stainless flange manufacturing capability makes us the preferred vendor for international EPC and procurement companies.

North America: USA, Canada, Mexico

South America: Brazil, Argentina, Chile, Peru, Colombia

Europe: Germany, France, Italy, Spain, Netherlands, Belgium, Poland, Austria, Switzerland, United Kingdom

Middle East: Saudi Arabia, UAE, Qatar, Oman, Kuwait, Bahrain

Asia: Singapore, Malaysia, Indonesia, Thailand, Vietnam, Philippines, Japan, South Korea, Sri Lanka, Bangladesh, Nepal

Africa: South Africa, Egypt, Nigeria, Kenya, Tanzania, Morocco

Oceania: Australia, New Zealand

Note: – All shipments are supplied with export-grade packaging and complete documentation.

Serving All Major Cities in India

As a prominent SS flange supplier in India, Cera Pure Steel has active supply networks in major industrial cities:

Mumbai & Navi Mumbai — Maharashtra’s biggest industrial hub
Gujarat — Ahmedabad, Rajkot, Surat, Vadodara, Jamnagar
Pune, Nashik, Pimpri-Chinchwad — automotive and engineering belts
Chennai, Bangalore, Coimbatore — South India’s manufacturing hubs
Hyderabad, Visakhapatnam, Vijayawada — AP & Telangana
Delhi NCR, Ghaziabad, Lucknow — North India industrial corridors
Kolkata, Bhubaneswar, Kharagpur — East India

Stainless Steel Flange Specifications

Parameter	Details
Specifications	ASTM A182 Stainless Steel Flanges
Types of SS Flanges	Blind / Slip On / Weld Neck / Socket Weld / RTJ / Lap Joint / Threaded / Reducing Flanges
SS Flange Dimensions	EN 1092-1 / EN 1092-2 / DIN 2501 / DIN 2527
Size Range	1″ (12 NB) to 48″ (1000 NB), DN10 ~ DN5000
Face Type	Ring Type Joint (RTJ) / Raised Face / Flat Face
Available Grades	ASTM A182 F304, F304L, F316, F316L, F310, F317, F321, F347
Flange Forging Methods	Forging / Casting / Rolling and Cutting
Pressure Rating	Class 150 / 300 / 400 / 600 / 900 / 1500 / 2500
Pressure (DIN)	PN6, PN10, PN16, PN25, PN40, PN64

Available Grades — ASTM A182 Stainless Steel Flanges

Cera Pure Steel supplies stainless steel pipe fittings and flanges in India across all major ASTM A182 grades. Our full grade range ensures you always find the right material for your operating environment:

Grade (Column 1)	Grade (Column 2)
ASTM A182 F304 SS Flange	ASTM A182 F304H SS Flange
ASTM A182 F304L SS Flange	ASTM A182 F904L SS Flange
ASTM A182 F309H SS Flange	ASTM A182 F310 SS Flange
ASTM A182 F316 SS Flange	ASTM A182 F316H SS Flange
ASTM A182 F316L SS Flange	ASTM A182 F316N SS Flange
ASTM A182 F316LN SS Flange	ASTM A182 F316Ti SS Flange
ASTM A182 F317 SS Flange	ASTM A182 F321 SS Flange
ASTM A182 F321H SS Flange	ASTM A182 F347 SS Flange
ASTM A182 F347H SS Flange	ASTM A182 F348H SS Flange

ASME BPE Standards & Surface Finish Requirements

Surface Designation	Ra Value (µm)	Application	Finish Type
SF1	≤ 0.8	General pharmaceutical, food processing	Mechanical polish
SF2	≤ 0.6	High-purity water, clean steam	Mechanical + light EP
SF3	≤ 0.5	Critical pharmaceutical processes	Enhanced mechanical
SF4	≤ 0.4	Sterile processing, biotechnology	Electropolished
SF5	≤ 0.3	Ultra-high purity, API manufacturing	Premium electropolish

Types of Industrial SS Flanges We Manufacture

As a full-range flanged fitting manufacturer in India, we produce every major flange type to match your piping system requirements:

Slip On Flanges (SORF) — easy to install, used in low-pressure systems
Weld Neck Flanges (WNRF) — ideal for high-pressure and high-temperature applications
Blind Flanges (BLRF) — used to seal the end of piping systems
Lap Joint Flanges — suited for systems requiring frequent dismantling
Threaded / Screwed Flanges — no welding required, quick assembly
Ring Type Joint Flanges (RTJ) — for extreme pressure and temperature conditions
Plate Flanges — flat face, simple and cost-effective
Orifice Flanges — for measuring flow in pipelines
Large Diameter Flanges — reduces need for pipe welding in big bore systems
Spectacle Blind Flanges — used in isolation of pipeline sections
Reducing Flanges — connects pipes of different diameters
Groove & Tongue Flanges — provides a secure, leak-proof joint
Forged Flanges — high strength, low porosity, excellent durability
Custom Flanges — built to your drawings and specifications

Chemical Composition of SS Flanges

The table below shows the chemical composition of our most popular stainless steel flange grades:

Grade	C	Mn	P	S	Si	Cr %	Ni %	Mo %
304	0.08	2.00	0.045	0.030	1.00	18-20	8-10.5	–
304L	0.03	2.00	0.045	0.030	1.00	18-20	8-12	–
316	0.08	2.00	0.045	0.030	1.00	16-18	10-14	2-3
316L	0.03	2.00	0.045	0.030	1.00	16-18	10-14	2-3
317	0.08	2.00	0.045	0.030	1.00	18-20	11-15	3-4
321	0.08	2.00	0.040	0.030	1.00	17-19	9-12	0.75
347	0.08	2.00	0.040	0.030	0.5-1.0	17-19	9-12	0.5-0.75

Mechanical Properties of SS Flanges

Our high-pressure flange manufacturing process ensures that every flange meets or exceeds the following mechanical property benchmarks:

Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation	Heat Treatment
304 / 304H	515 min	205 min	28%	1040°C
304L	485 min	170 min	28%	1040°C
316 / 316H	515 min	205 min	28%	1040°C
316L	485 min	170 min	28%	1040°C
317 / 317L	515 min	205 min	28%	1040°C
321 / 321H	515 min	205 min	28%	1040–1050°C
347 / 347H	515 min	205 min	28%	1040°C

Industries & Applications

Our industrial SS flanges are trusted by engineers and procurement teams across multiple industries:

Oil & Gas — upstream, midstream, and downstream pipeline systems
Petrochemical & Refinery Plants — high-temperature and corrosive environments
Power Generation — thermal, nuclear, and solar power plants
Shipbuilding — marine-grade, corrosion-resistant SS flanges
Dairy & Food Processing — hygienic-grade SS 304 / 316L flanges
Pharmaceutical Manufacturing — clean, contamination-free flanged connections
Sugar Industries — heat-resistant flanges for high-temperature processes
Water Treatment Plants — corrosion-resistant SS pipe flanges

How We Manufacture Our SS Flanges

As a certified stainless steel flange manufacturer in India, our manufacturing process follows strict quality protocols at every stage:

Raw Material Inspection — only certified SS billets and bars are used
Forging / Casting / Plate Cutting — based on flange type and customer spec
CNC Machining — precision boring, facing, and drilling for accurate dimensions
Heat Treatment — ensures correct mechanical properties per grade
Surface Finishing — raised face, flat face, or RTJ as required
Non-Destructive Testing (NDT) — UT, RT, MPT, LPT as per client requirement
Dimensional & Visual Inspection — 100% checked before dispatch
Export Packing — wooden boxes, pallets, crates for safe international shipping

Packaging & Delivery

Cera Pure Steel packs all SS flange shipments in export-worthy packaging to ensure the products reach you in perfect condition, no matter the destination:

Wooden Boxes and Crates (Steel / Wooden)
Carton Boxes for smaller flanges
Wooden Pallets for bulk orders
Custom packaging as per client specifications

Every batch is labeled with full traceability — heat number, material grade, size, and order reference.

Frequently Asked Questions (FAQs)

01.
What is the minimum order quantity for SS flanges?

There is no fixed minimum order quantity. We welcome both small-batch and bulk orders. Whether you need a few flanges for a maintenance project or thousands of pieces for a large industrial project, we can accommodate your needs. As a flexible custom steel flange fabricator in India, we work with clients of all sizes.

02.
Which certifications do your SS flanges comply with?

Our industrial SS flanges are manufactured under ISO 9001:2008 certification and comply with international standards including ASTM A182, ASME B16.5, ASME B16.47, EN 1092-1, and DIN 2501. Cera Pure Steel also offers third-party inspection (TPI) and material test reports (MTR) on request. This makes us a reliable industrial flange manufacturer with international certification for global projects.

03.
Can you manufacture flanges to custom drawings or specifications?

Yes, absolutely. As a dedicated custom steel flange fabricator in India, Cera Pure Steel specializes in OEM manufacturing. If you have engineering drawings, CAD files, or specific dimensional requirements, our team can manufacture flanges precisely to your spec. Cera Pure Steel also offers OEM stainless flange manufacturing for buyers who need their own branding or packaging.

04.
What is the price range of SS flanges in India?

The price of stainless steel pipe fittings and flanges in India depends on factors like grade (SS 304 vs SS 316L, etc.), size, flange type, pressure class, and order quantity. We offer some of the most competitive prices in the market, especially for bulk orders. For an accurate quote, please share your technical requirements and we will respond quickly. We are known as one of the most affordable SS flange manufacturers in Gujarat and Mumbai.

05.
Do you export SS flanges outside India?

Yes, Cera Pure Steel is an active pipe flange exporter in India with a strong presence in the Middle East, Europe, Africa, Southeast Asia, and the Americas. All export shipments come with complete documentation — including MTC, packing list, invoice, COO, and third-party test reports where required. Our SS flange supplier network in India is backed by reliable logistics partners for on-time international delivery.

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stainless steel flange fitting manufacturer